The temperature on July 31, 1961 was between 5.9 °C and 22.1 °C and averaged 14.8 °C. There was 11.2 hours of sunshine (72%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the ??. Source: KNMI
January 3 » The SL-1 nuclear reactor is destroyed by a steam explosion in the only reactor incident in the United States to cause immediate fatalities.
May 16 » Park Chung-hee leads a coup d'état to overthrow the Second Republic of South Korea.
June 1 » The Canadian Bank of Commerce and Imperial Bank of Canada merge to form the Canadian Imperial Bank of Commerce, the largest bank merger in Canadian history.
June 23 » The Antarctic Treaty System, which sets aside Antarctica as a scientific preserve and limits military activity on the continent, its islands and ice shelves, comes into force.
August 13 » Cold War: East Germany closes the border between the eastern and western sectors of Berlin to thwart its inhabitants' attempts to escape to the West, and construction of the Berlin Wall is started.
December 2 » In a nationally broadcast speech, Cuban leader Fidel Castro declares that he is a Marxist–Leninist and that Cuba is going to adopt Communism.
When copying data from this family tree, please include a reference to the origin: Leen Schaap, "Database Schaap", database, Genealogy Online (https://www.genealogieonline.nl/database-schaap/I204.php : accessed September 25, 2026), "Janny Juliana Ferket (1961-)".
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